mirror of
https://github.com/tmate-io/tmate.git
synced 2024-11-23 16:43:11 +01:00
35876eaab9
terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
413 lines
11 KiB
C
413 lines
11 KiB
C
/* $OpenBSD$ */
|
|
|
|
/*
|
|
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
|
|
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
|
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include "tmux.h"
|
|
|
|
void tty_keys_add(struct tty *, const char *, int, int);
|
|
int tty_keys_parse_xterm(struct tty *, char *, size_t, size_t *);
|
|
int tty_keys_parse_mouse(struct tty *, char *, size_t, size_t *, u_char *);
|
|
|
|
struct tty_key_ent {
|
|
enum tty_code_code code;
|
|
const char *string;
|
|
|
|
int key;
|
|
int flags;
|
|
};
|
|
|
|
struct tty_key_ent tty_keys[] = {
|
|
/* Function keys. */
|
|
{ TTYC_KF1, NULL, KEYC_F1, TTYKEY_CTRL },
|
|
{ TTYC_KF2, NULL, KEYC_F2, TTYKEY_CTRL },
|
|
{ TTYC_KF3, NULL, KEYC_F3, TTYKEY_CTRL },
|
|
{ TTYC_KF4, NULL, KEYC_F4, TTYKEY_CTRL },
|
|
{ TTYC_KF5, NULL, KEYC_F5, TTYKEY_CTRL },
|
|
{ TTYC_KF6, NULL, KEYC_F6, TTYKEY_CTRL },
|
|
{ TTYC_KF7, NULL, KEYC_F7, TTYKEY_CTRL },
|
|
{ TTYC_KF8, NULL, KEYC_F8, TTYKEY_CTRL },
|
|
{ TTYC_KF9, NULL, KEYC_F9, TTYKEY_CTRL },
|
|
{ TTYC_KF10, NULL, KEYC_F10, TTYKEY_CTRL },
|
|
{ TTYC_KF11, NULL, KEYC_F11, TTYKEY_CTRL },
|
|
{ TTYC_KF12, NULL, KEYC_F12, TTYKEY_CTRL },
|
|
{ TTYC_KF13, NULL, KEYC_F13, TTYKEY_CTRL },
|
|
{ TTYC_KF14, NULL, KEYC_F14, TTYKEY_CTRL },
|
|
{ TTYC_KF15, NULL, KEYC_F15, TTYKEY_CTRL },
|
|
{ TTYC_KF16, NULL, KEYC_F16, TTYKEY_CTRL },
|
|
{ TTYC_KF17, NULL, KEYC_F17, TTYKEY_CTRL },
|
|
{ TTYC_KF18, NULL, KEYC_F18, TTYKEY_CTRL },
|
|
{ TTYC_KF19, NULL, KEYC_F19, TTYKEY_CTRL },
|
|
{ TTYC_KF20, NULL, KEYC_F20, TTYKEY_CTRL },
|
|
{ TTYC_KICH1, NULL, KEYC_IC, TTYKEY_CTRL },
|
|
{ TTYC_KDCH1, NULL, KEYC_DC, TTYKEY_CTRL },
|
|
{ TTYC_KHOME, NULL, KEYC_HOME, TTYKEY_CTRL },
|
|
{ TTYC_KEND, NULL, KEYC_END, TTYKEY_CTRL },
|
|
{ TTYC_KNP, NULL, KEYC_NPAGE, TTYKEY_CTRL },
|
|
{ TTYC_KPP, NULL, KEYC_PPAGE, TTYKEY_CTRL },
|
|
{ TTYC_KCBT, NULL, KEYC_BTAB, TTYKEY_CTRL },
|
|
|
|
/* Arrow keys. */
|
|
{ 0, "\033OA", KEYC_UP, TTYKEY_RAW },
|
|
{ 0, "\033OB", KEYC_DOWN, TTYKEY_RAW },
|
|
{ 0, "\033OC", KEYC_RIGHT, TTYKEY_RAW },
|
|
{ 0, "\033OD", KEYC_LEFT, TTYKEY_RAW },
|
|
|
|
{ 0, "\033[A", KEYC_UP, TTYKEY_RAW },
|
|
{ 0, "\033[B", KEYC_DOWN, TTYKEY_RAW },
|
|
{ 0, "\033[C", KEYC_RIGHT, TTYKEY_RAW },
|
|
{ 0, "\033[D", KEYC_LEFT, TTYKEY_RAW },
|
|
|
|
{ 0, "\033Oa", KEYC_ADDCTL(KEYC_UP), TTYKEY_RAW },
|
|
{ 0, "\033Ob", KEYC_ADDCTL(KEYC_DOWN), TTYKEY_RAW },
|
|
{ 0, "\033Oc", KEYC_ADDCTL(KEYC_RIGHT), TTYKEY_RAW },
|
|
{ 0, "\033Od", KEYC_ADDCTL(KEYC_LEFT), TTYKEY_RAW },
|
|
{ 0, "\033[a", KEYC_ADDSFT(KEYC_UP), TTYKEY_RAW },
|
|
{ 0, "\033[b", KEYC_ADDSFT(KEYC_DOWN), TTYKEY_RAW },
|
|
{ 0, "\033[c", KEYC_ADDSFT(KEYC_RIGHT), TTYKEY_RAW },
|
|
{ 0, "\033[d", KEYC_ADDSFT(KEYC_LEFT), TTYKEY_RAW },
|
|
|
|
{ TTYC_KCUU1, NULL, KEYC_UP, TTYKEY_CTRL },
|
|
{ TTYC_KCUD1, NULL, KEYC_DOWN, TTYKEY_CTRL },
|
|
{ TTYC_KCUB1, NULL, KEYC_LEFT, TTYKEY_CTRL },
|
|
{ TTYC_KCUF1, NULL, KEYC_RIGHT, TTYKEY_CTRL },
|
|
|
|
/*
|
|
* Numeric keypad. termcap and terminfo are totally confusing for this.
|
|
* There are definitions for some keypad keys and for function keys,
|
|
* but these seem to now be used for the real function keys rather than
|
|
* for the keypad keys in application mode (which is different from
|
|
* what it says in the termcap file). So, we just hardcode the vt100
|
|
* escape sequences here and always put the terminal into keypad_xmit
|
|
* mode. Translation of numbers mode/applications mode is done in
|
|
* input-keys.c.
|
|
*/
|
|
{ 0, "\033Oo", KEYC_KP0_1, TTYKEY_RAW },
|
|
{ 0, "\033Oj", KEYC_KP0_2, TTYKEY_RAW },
|
|
{ 0, "\033Om", KEYC_KP0_3, TTYKEY_RAW },
|
|
{ 0, "\033Ow", KEYC_KP1_0, TTYKEY_RAW },
|
|
{ 0, "\033Ox", KEYC_KP1_1, TTYKEY_RAW },
|
|
{ 0, "\033Oy", KEYC_KP1_2, TTYKEY_RAW },
|
|
{ 0, "\033Ok", KEYC_KP1_3, TTYKEY_RAW },
|
|
{ 0, "\033Ot", KEYC_KP2_0, TTYKEY_RAW },
|
|
{ 0, "\033Ou", KEYC_KP2_1, TTYKEY_RAW },
|
|
{ 0, "\033Ov", KEYC_KP2_2, TTYKEY_RAW },
|
|
{ 0, "\033Oq", KEYC_KP3_0, TTYKEY_RAW },
|
|
{ 0, "\033Or", KEYC_KP3_1, TTYKEY_RAW },
|
|
{ 0, "\033Os", KEYC_KP3_2, TTYKEY_RAW },
|
|
{ 0, "\033OM", KEYC_KP3_3, TTYKEY_RAW },
|
|
{ 0, "\033Op", KEYC_KP4_0, TTYKEY_RAW },
|
|
{ 0, "\033On", KEYC_KP4_2, TTYKEY_RAW },
|
|
};
|
|
|
|
RB_GENERATE(tty_keys, tty_key, entry, tty_keys_cmp);
|
|
|
|
struct tty_key *tty_keys_find(struct tty *, char *, size_t, size_t *);
|
|
|
|
int
|
|
tty_keys_cmp(struct tty_key *k1, struct tty_key *k2)
|
|
{
|
|
return (strcmp(k1->string, k2->string));
|
|
}
|
|
|
|
void
|
|
tty_keys_add(struct tty *tty, const char *s, int key, int flags)
|
|
{
|
|
struct tty_key *tk, *tl;
|
|
|
|
tk = xmalloc(sizeof *tk);
|
|
tk->string = xstrdup(s);
|
|
tk->key = key;
|
|
tk->flags = flags;
|
|
|
|
if ((tl = RB_INSERT(tty_keys, &tty->ktree, tk)) != NULL) {
|
|
xfree(tk->string);
|
|
xfree(tk);
|
|
log_debug("key exists: %s (old %x, new %x)", s, tl->key, key);
|
|
return;
|
|
}
|
|
|
|
if (strlen(tk->string) > tty->ksize)
|
|
tty->ksize = strlen(tk->string);
|
|
log_debug("new key %x: size now %zu (%s)", key, tty->ksize, tk->string);
|
|
}
|
|
|
|
void
|
|
tty_keys_init(struct tty *tty)
|
|
{
|
|
struct tty_key_ent *tke;
|
|
u_int i;
|
|
const char *s;
|
|
char tmp[64];
|
|
|
|
RB_INIT(&tty->ktree);
|
|
|
|
tty->ksize = 0;
|
|
for (i = 0; i < nitems(tty_keys); i++) {
|
|
tke = &tty_keys[i];
|
|
|
|
if (tke->flags & TTYKEY_RAW)
|
|
s = tke->string;
|
|
else {
|
|
if (!tty_term_has(tty->term, tke->code))
|
|
continue;
|
|
s = tty_term_string(tty->term, tke->code);
|
|
if (s[0] != '\033' || s[1] == '\0')
|
|
continue;
|
|
}
|
|
|
|
tty_keys_add(tty, s + 1, tke->key, tke->flags);
|
|
if (tke->flags & TTYKEY_CTRL) {
|
|
if (strlcpy(tmp, s, sizeof tmp) >= sizeof tmp)
|
|
continue;
|
|
tmp[strlen(tmp) - 1] ^= 0x20;
|
|
tty_keys_add(tty, tmp + 1, KEYC_ADDCTL(tke->key), 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
tty_keys_free(struct tty *tty)
|
|
{
|
|
struct tty_key *tk;
|
|
|
|
while (!RB_EMPTY(&tty->ktree)) {
|
|
tk = RB_ROOT(&tty->ktree);
|
|
RB_REMOVE(tty_keys, &tty->ktree, tk);
|
|
xfree(tk->string);
|
|
xfree(tk);
|
|
}
|
|
}
|
|
|
|
struct tty_key *
|
|
tty_keys_find(struct tty *tty, char *buf, size_t len, size_t *size)
|
|
{
|
|
struct tty_key *tk, tl;
|
|
char *s;
|
|
|
|
if (len == 0)
|
|
return (NULL);
|
|
|
|
s = xmalloc(tty->ksize + 1);
|
|
for (*size = tty->ksize; (*size) > 0; (*size)--) {
|
|
if ((*size) > len)
|
|
continue;
|
|
memcpy(s, buf, *size);
|
|
s[*size] = '\0';
|
|
|
|
log_debug2("looking for key: %s", s);
|
|
|
|
tl.string = s;
|
|
tk = RB_FIND(tty_keys, &tty->ktree, &tl);
|
|
if (tk != NULL) {
|
|
log_debug2("got key: 0x%x", tk->key);
|
|
xfree(s);
|
|
return (tk);
|
|
}
|
|
}
|
|
xfree(s);
|
|
|
|
return (NULL);
|
|
}
|
|
|
|
int
|
|
tty_keys_next(struct tty *tty, int *key, u_char *mouse)
|
|
{
|
|
struct tty_key *tk;
|
|
struct timeval tv;
|
|
char *buf;
|
|
size_t len, size;
|
|
|
|
buf = BUFFER_OUT(tty->in);
|
|
len = BUFFER_USED(tty->in);
|
|
if (len == 0)
|
|
return (1);
|
|
log_debug("keys are %zu (%.*s)", len, (int) len, buf);
|
|
|
|
/* If a normal key, return it. */
|
|
if (*buf != '\033') {
|
|
*key = buffer_read8(tty->in);
|
|
goto found;
|
|
}
|
|
|
|
/* Look for matching key string and return if found. */
|
|
tk = tty_keys_find(tty, buf + 1, len - 1, &size);
|
|
if (tk != NULL) {
|
|
buffer_remove(tty->in, size + 1);
|
|
*key = tk->key;
|
|
goto found;
|
|
}
|
|
|
|
/* Not found. Is this a mouse key press? */
|
|
*key = tty_keys_parse_mouse(tty, buf, len, &size, mouse);
|
|
if (*key != KEYC_NONE) {
|
|
buffer_remove(tty->in, size);
|
|
goto found;
|
|
}
|
|
|
|
/* Not found. Try to parse xterm-type arguments. */
|
|
*key = tty_keys_parse_xterm(tty, buf, len, &size);
|
|
if (*key != KEYC_NONE) {
|
|
buffer_remove(tty->in, size);
|
|
goto found;
|
|
}
|
|
|
|
/* Escape but no key string. If the timer isn't started, start it. */
|
|
if (!(tty->flags & TTY_ESCAPE)) {
|
|
tv.tv_sec = 0;
|
|
tv.tv_usec = ESCAPE_PERIOD * 1000L;
|
|
if (gettimeofday(&tty->key_timer, NULL) != 0)
|
|
fatal("gettimeofday");
|
|
timeradd(&tty->key_timer, &tv, &tty->key_timer);
|
|
|
|
tty->flags |= TTY_ESCAPE;
|
|
return (1);
|
|
}
|
|
|
|
/* Skip the escape. */
|
|
buf++;
|
|
len--;
|
|
|
|
/* Is there a normal key following? */
|
|
if (len != 0 && *buf != '\033') {
|
|
buffer_remove(tty->in, 1);
|
|
*key = KEYC_ADDESC(buffer_read8(tty->in));
|
|
goto found;
|
|
}
|
|
|
|
/* Or a key string? */
|
|
if (len > 1) {
|
|
tk = tty_keys_find(tty, buf + 1, len - 1, &size);
|
|
if (tk != NULL) {
|
|
buffer_remove(tty->in, size + 2);
|
|
*key = KEYC_ADDESC(tk->key);
|
|
goto found;
|
|
}
|
|
}
|
|
|
|
/* If the timer hasn't expired, keep waiting. */
|
|
if (gettimeofday(&tv, NULL) != 0)
|
|
fatal("gettimeofday");
|
|
if (timercmp(&tty->key_timer, &tv, >))
|
|
return (1);
|
|
|
|
/* Give up and return the escape. */
|
|
buffer_remove(tty->in, 1);
|
|
*key = '\033';
|
|
|
|
found:
|
|
tty->flags &= ~TTY_ESCAPE;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
tty_keys_parse_mouse(
|
|
unused struct tty *tty, char *buf, size_t len, size_t *size, u_char *mouse)
|
|
{
|
|
/*
|
|
* Mouse sequences are \033[M followed by three characters indicating
|
|
* buttons, X and Y, all based at 32 with 1,1 top-left.
|
|
*/
|
|
|
|
log_debug("mouse input is: %.*s", (int) len, buf);
|
|
if (len != 6 || memcmp(buf, "\033[M", 3) != 0)
|
|
return (KEYC_NONE);
|
|
*size = 6;
|
|
|
|
if (buf[3] < 32 || buf[4] < 33 || buf[5] < 33)
|
|
return (KEYC_NONE);
|
|
|
|
mouse[0] = buf[3] - 32;
|
|
mouse[1] = buf[4] - 33;
|
|
mouse[2] = buf[5] - 33;
|
|
return (KEYC_MOUSE);
|
|
}
|
|
|
|
int
|
|
tty_keys_parse_xterm(struct tty *tty, char *buf, size_t len, size_t *size)
|
|
{
|
|
struct tty_key *tk;
|
|
char tmp[5];
|
|
size_t tmplen;
|
|
int key;
|
|
|
|
/*
|
|
* xterm sequences with modifier keys are of the form:
|
|
*
|
|
* ^[[1;xD becomes ^[[D
|
|
* ^[[5;x~ becomes ^[[5~
|
|
*
|
|
* This function is a bit of a hack. Need to figure out what exact
|
|
* format and meaning xterm outputs and fix it. XXX
|
|
*/
|
|
|
|
log_debug("xterm input is: %.*s", (int) len, buf);
|
|
if (len != 6 || memcmp(buf, "\033[1;", 4) != 0)
|
|
return (KEYC_NONE);
|
|
*size = 6;
|
|
|
|
tmplen = 0;
|
|
tmp[tmplen++] = '[';
|
|
if (buf[5] == '~') {
|
|
tmp[tmplen++] = buf[2];
|
|
tmp[tmplen++] = '~';
|
|
} else
|
|
tmp[tmplen++] = buf[5];
|
|
log_debug("xterm output is: %.*s", (int) tmplen, tmp);
|
|
|
|
tk = tty_keys_find(tty, tmp, tmplen, size);
|
|
if (tk == NULL)
|
|
return (KEYC_NONE);
|
|
key = tk->key;
|
|
|
|
switch (buf[4]) {
|
|
case '8':
|
|
key = KEYC_ADDSFT(key);
|
|
key = KEYC_ADDESC(key);
|
|
key = KEYC_ADDCTL(key);
|
|
break;
|
|
case '7':
|
|
key = KEYC_ADDESC(key);
|
|
key = KEYC_ADDCTL(key);
|
|
break;
|
|
case '6':
|
|
key = KEYC_ADDSFT(key);
|
|
key = KEYC_ADDCTL(key);
|
|
break;
|
|
case '5':
|
|
key = KEYC_ADDCTL(key);
|
|
break;
|
|
case '4':
|
|
key = KEYC_ADDSFT(key);
|
|
key = KEYC_ADDESC(key);
|
|
break;
|
|
case '3':
|
|
key = KEYC_ADDESC(key);
|
|
break;
|
|
case '2':
|
|
key = KEYC_ADDSFT(key);
|
|
break;
|
|
}
|
|
|
|
*size = 6;
|
|
return (key);
|
|
}
|